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Agata [3.3K]
3 years ago
7

Which statement is true about this data set? {43, 46, 48, 57, 42, 47, 48, 44, 46, 45, 48}

Mathematics
2 answers:
vfiekz [6]3 years ago
8 0

Answer: D) 57

Step-by-step explanation:

il63 [147K]3 years ago
5 0

Answer:

Option D.

Step-by-step explanation:

The given data set is

43, 46, 48, 57, 42, 47, 48, 44, 46, 45, 48

Arrange the data in ascending order.

42, 43, 44, 45, 46, 46, 47, 48, 48, 48, 57

Divide the data in 4 equal parts.

(42, 43), 44, (45, 46), 46, (47, 48), 48, (48, 57)

Q_1=44, Median=46, Q_3=48

The interquartile rage is

IQR=Q_3-Q_1

IQR=48-44=4

Lower fence:

Q_1-1.5(IQR)=44-1.5(4)=38

Upper fence:

Q_3+1.5(IQR)=48+1.5(4)=54

If the data lie outside the lower and upper fence, then that element is known as outliers.

57\notin[38,54]

57 is an outlier because it is greater than the upper fence.

Therefore, the correct option is D.

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